CN220385115U

CN220385115U - Surgical stitching instrument

Info

Publication number: CN220385115U
Application number: CN202321472361.7U
Authority: CN
Inventors: 沈嘉渝
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2023-06-11
Filing date: 2023-06-11
Publication date: 2024-01-26
Anticipated expiration: 2033-06-11

Abstract

The utility model discloses an operation stitching instrument, which comprises a puncture needle body and two thread clamping hooks at the left end of the puncture needle body, wherein the two thread clamping hooks are symmetrically arranged, a connecting sleeve is arranged outside the right end of the puncture needle body, and a handle is arranged at the right end of the connecting sleeve.

Description

Surgical stitching instrument

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a surgical stapler.

Background

Surgical staplers are medical instruments used to assist in suturing wounds or incisions during surgery to aid in the rapid healing of wounds, and there is an abdominal stapler, which is an instrument used to suture incisions during abdominal surgery, commonly used in open surgery, laparoscopic surgery, etc., wherein manual abdominal staplers typically consist of a stapling needle, sutures, and a handle. When a surgeon uses a manual stapler during surgery, it is necessary to manually thread a suture needle through the skin, fat and muscle of the incision and fasten the thread end with a handle to complete the suturing.

However, when the abdominal cavity stitching instrument in the operation stitching instrument is used for stitching wounds, the stitching thread is needed to be clamped through the jaw, then the puncture needle is punctured into the abdominal cavity wound and stitching operation is performed, but in the process of puncturing the abdominal cavity by the puncture needle, the puncture depth of the puncture needle is manually controlled by a doctor, so that the puncture depth of the puncture needle is too deep and exceeds the safe depth once the hand of the doctor is excessively hard, and the abdominal cavity of a patient can be easily injured.

Disclosure of Invention

The utility model aims to provide a surgical stapler, which solves the problems that in the process of using a puncture needle to puncture abdominal cavity, the puncture depth of the puncture needle is controlled manually by a doctor, so that the puncture depth of the puncture needle is too deep and exceeds the safe depth once the hand of the doctor is excessively hard, and the abdominal cavity of a patient is easily injured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the surgical suture device comprises a puncture needle body and two thread clamping hooks at the left end of the puncture needle body, wherein the two thread clamping hooks are symmetrically arranged;

the puncture limiting device comprises a silica gel pad, a strip limiting block and a stabilizing sleeve, wherein the silica gel pad is stuck on the outer wall of the left end of the strip limiting block, the stabilizing sleeve is fixed at the center of the right end of the strip limiting block, the silica gel pad, the strip limiting block and the stabilizing sleeve are sleeved outside the puncture needle body, and meanwhile the silica gel pad, the strip limiting block and the stabilizing sleeve can move left and right outside the puncture needle body.

Preferably, the puncture limiting device further comprises a damping pad, a depth scale mark, a screw hole and a hand-screwed screw, wherein the screw hole is formed in the upper end of the long limiting block, the hand-screwed screw is inserted into the screw hole in a threaded manner, the damping pad is arranged at the inner side end of the screw rod of the hand-screwed screw, and the damping pad can be abutted against the outer wall of the puncture needle body.

Preferably, the outer wall of the puncture needle body is provided with depth scale marks, and the sliding distance can be determined through the depth scale marks when the silica gel pad, the strip limiting block and the stabilizing sleeve slide outside the puncture needle body.

Preferably, the handle is close to the symmetrical operation ring that is fixed with on the outer wall of left side both ends, and all is fixed with the slipmat on the inner wall of two operation rings, the inside of the pjncture needle body is provided with the metal connecting rod, and the left end and the two wire clamping hooks fixed connection of metal connecting rod, and the metal connecting rod can be in the inside of the pjncture needle body about the activity simultaneously.

Preferably, the inside movable hole and the spring hole of being provided with respectively of two halves section about the handle, and movable hole and spring hole intercommunication, the inside in movable hole and spring hole has pegged graft from right to left and has the push rod, and the left end of push rod and the right-hand member fixed connection of metal connecting rod.

Preferably, the circular inner wall in spring hole right-hand member is last to be fixed with the anticreep baffle ring, the push rod is close to right-hand member external fixation and has the spring separation blade, and the spring separation blade sets up the inside in the spring hole, the inside reset spring that is provided with in spring hole, and reset spring is located the left end of spring separation blade.

Preferably, a button is arranged at the right end of the push rod, the push rod can be pushed leftwards through the button, and the return spring can push the push rod rightwards through the spring baffle.

Compared with the prior art, the utility model provides a surgical stapler, which has the following beneficial effects:

according to the utility model, the novel puncture limiting device is additionally arranged outside the puncture needle body of the surgical suture device, and the surgical suture device is mainly an abdominal wall suture needle, so that the puncture needle body is required to be punctured into human tissues and sutured, the puncture limiting device can slide back and forth outside the puncture needle body and can fix the position, when the puncture needle body is inserted into the human tissues, the puncture limiting device can play a role in limiting the insertion depth, when the puncture needle body is inserted into the human tissues too deeply, the puncture limiting device can be attached to the outside of the skin and form a blocking effect, the puncture needle body is prevented from being further penetrated deeply, the situation that the puncture needle body is inserted into the human tissues too deeply to cause tissue injury due to unstable force channel control can be avoided, and meanwhile, a doctor can be helped to complete abdominal wall suture operation more safely and rapidly.

Drawings

FIG. 1 is a schematic view of a surgical stapler according to the present utility model.

Fig. 2 is a schematic view of the internal cross-sectional structure of the handle of the present utility model.

FIG. 3 is a schematic view of the puncture limiting device according to the present utility model.

In the figure: 1. a wire clamping hook; 2. a puncture needle body; 3. a puncture restriction device; 4. connecting sleeves; 5. a handle; 6. operating the finger ring; 7. a push rod; 8. a button; 9. a metal connecting rod; 10. a movable hole; 11. a return spring; 12. a spring hole; 13. a spring catch; 14. an anti-falling baffle ring; 15. a damping pad; 16. depth scale marks; 17. a silica gel pad; 18. screw holes; 19. a hand-screwed screw; 20. a strip limiting block; 21. a stabilizing sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an operation stitching instrument as shown in figures 1-3, which comprises a puncture needle body 2 and thread clamping hooks 1 at the left end of the puncture needle body 2, wherein the thread clamping hooks 1 are provided with two thread clamping hooks, the two thread clamping hooks 1 are mutually symmetrically arranged, a connecting sleeve 4 is arranged outside the right end of the puncture needle body 2, an operation finger ring 6 is symmetrically fixed on the outer wall of the handle 5 close to the left end, anti-slip pads are fixed on the inner walls of the two operation finger rings 6, a metal connecting rod 9 is arranged inside the puncture needle body 2, the left end of the metal connecting rod 9 is fixedly connected with the two thread clamping hooks 1, meanwhile, the metal connecting rod 9 can move left and right inside the puncture needle body 2, a movable hole 10 and a spring hole 12 are respectively arranged inside the left and right half sections of the handle 5, the movable hole 10 is communicated with the spring hole 12, a push rod 7 is inserted into the movable hole 10 and the inside the spring hole 12 from right to left, the left end of the push rod 7 is fixedly connected with the right end of the metal connecting rod 9, an anti-falling baffle ring 14 is fixed on the circular inner wall of the right end of the spring hole 12, a spring baffle 13 is fixed outside the push rod 7 near the right end, the spring baffle 13 is arranged inside the spring hole 12, a return spring 11 is arranged inside the spring hole 12, the return spring 11 is positioned at the left end of the spring baffle 13, the right end of the push rod 7 is provided with a button 8, the push rod 7 can be pushed leftwards through the button 8, the return spring 11 can push the push rod 7 rightwards through the spring baffle 13, when the surgical stapler is used, an index finger and a middle finger are required to be respectively inserted into two operation finger rings 6 and clamped, then the button 8 is pushed by using the thumb, so that two thread clamping hooks 1 which are embedded inside the left end of the puncture needle body 2 are pushed out, then the two thread clamping hooks 1 are sleeved outside a medical suture thread, then the button 8 is released, at this time, the reset spring 11 generates reset elastic force and pulls the two suture hooks 1 into the puncture needle body 2, then tilts the surgical stapler, punctures the puncture needle body 2 by air, passes through the subcutaneous, fascia and peritoneum, then pushes the button 8 to expose the suture hooks 1 hidden in the puncture needle body 2, at this time, the suture is released into the abdominal cavity, then the puncture needle body 2 is taken out, and the puncture needle body 2 is tilted to the opposite side. The needle body passes through the subcutaneous, fascia and peritoneum again to reach the abdominal cavity, under the laparoscope, the suture is clamped by the suture clamping hook 1, then the puncture needle body 2 is taken out, at the moment, the suture is pulled out by the puncture needle body 2, then the puncture cannula is withdrawn, and the suture is knotted.

As shown in fig. 1 and 3, the right end of the connecting sleeve 4 is provided with a handle 5, the outside of the puncture needle body 2 is provided with a puncture limiting device 3, the puncture limiting device 3 comprises a silica gel pad 17, a strip limiting block 20 and a stabilizing sleeve 21, the silica gel pad 17 is stuck on the outer wall of the left end of the strip limiting block 20, the center of the right end of the strip limiting block 20 is fixedly provided with the stabilizing sleeve 21, and the silica gel pad 17, the strip limiting block 20 and the stabilizing sleeve 21 are sleeved outside the puncture needle body 2, and meanwhile, the silica gel pad 17, the strip limiting block 20 and the stabilizing sleeve 21 can move left and right outside the puncture needle body 2.

Further, puncture restriction device 3 still includes damping pad 15, depth scale mark 16, screw hole 18 and hand formula screw 19, screw hole 18 sets up inside rectangular restriction piece 20 upper end, and the screw is pegged graft to the screw thread in screw hole 18 has hand formula screw 19, and the screw pole inboard end of hand formula screw 19 is provided with damping pad 15, and damping pad 15 can contradict on the outer wall of pjncture needle body 2, be provided with depth scale mark 16 on the outer wall of pjncture needle body 2, and silica gel pad 17, rectangular restriction piece 20 and stable cover 21 are accessible depth scale mark 16 when the outside slip of pjncture needle body 2, when the depth that needs to use this puncture restriction device 3 to restrict pjncture needle body 2 to human tissue i.e. abdominal cavity, at first, need confirm that the puncture goes deep, then screw 19 is screwed down, make damping pad 15 change from the state of the outer wall of the firm pjncture needle body 2 into the break away state, then slide rectangular restriction piece 20, in the process of sliding, can pass through stable cover 21 depth scale mark 16 and accurately limit the depth of pjncture needle body 2 when the depth of puncture needle body 2 is reached, thereby the depth of puncture can be reached when the accurate restriction piece 16 is reached to the firm restriction piece 16 is screwed down, and the depth of puncture needle body 2 is restricted through the accurate depth of stretch-stop piece 16, thereby the puncture needle is reached.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a surgical stapler, includes that the clamp line of pjncture needle body (2) and pjncture needle body (2) left end colludes (1), and presss from both sides line and colludes (1) and be provided with two, and two clamp line colludes (1) mutual symmetry setting, pjncture needle body (2) right-hand member outside is provided with adapter sleeve (4), and the right-hand member of adapter sleeve (4) is provided with handle (5), its characterized in that: a puncture limiting device (3) is arranged outside the puncture needle body (2);

puncture restriction device (3) include silica gel pad (17), rectangular restriction piece (20) and stable cover (21), silica gel pad (17) are pasted on the left end outer wall of rectangular restriction piece (20), rectangular restriction piece (20) right-hand member center department is fixed with stable cover (21), and silica gel pad (17), rectangular restriction piece (20) and stable cover (21) all cup joint in the outside of puncture needle body (2), and simultaneously silica gel pad (17), rectangular restriction piece (20) and stable cover (21) can be in the outside left and right sides activity of puncture needle body (2).

2. A surgical stapler according to claim 1, wherein: puncture restriction device (3) still include damping pad (15), degree of depth scale mark (16), screw hole (18) and hand screw type screw (19), screw hole (18) set up inside rectangular restriction piece (20) upper end, and the screw is pegged graft to the screw thread in screw hole (18) has hand screw type screw (19), and the screw pole inboard end of hand screw type screw (19) is provided with damping pad (15), and damping pad (15) can contradict on the outer wall of pjncture needle body (2).

3. A surgical stapler according to claim 2, wherein: the outer wall of the puncture needle body (2) is provided with depth graduation marks (16), and the sliding distance can be determined through the depth graduation marks (16) when the silicon pad (17), the strip limiting block (20) and the stabilizing sleeve (21) slide outside the puncture needle body (2).

4. A surgical stapler according to claim 1, wherein: the utility model discloses a puncture needle, including handle (5), metal connecting rod (9), wire clamping hook (1), handle (5), operating finger ring (6) are fixed with on the outer wall of handle (5) being close to left side both ends, and all are fixed with the slipmat on the inner wall of two operating finger rings (6), the inside of puncture needle (2) is provided with metal connecting rod (9), and the left end and the two wire clamping hooks (1) fixed connection of metal connecting rod (9), and activity about the inside of puncture needle (2) can be in metal connecting rod (9) simultaneously.

5. A surgical stapler according to claim 4, wherein: the handle (5) is provided with a movable hole (10) and a spring hole (12) in the left and right half sections respectively, the movable hole (10) is communicated with the spring hole (12), a push rod (7) is inserted into the movable hole (10) and the spring hole (12) from right to left, and the left end of the push rod (7) is fixedly connected with the right end of the metal connecting rod (9).

6. A surgical stapler according to claim 5, wherein: the anti-disengaging baffle ring (14) is fixed on the circular inner wall of the right end of the spring hole (12), the push rod (7) is close to the outer portion of the right end and is fixedly provided with the spring baffle plate (13), the spring baffle plate (13) is arranged in the spring hole (12), the reset spring (11) is arranged in the spring hole (12), and the reset spring (11) is located at the left end of the spring baffle plate (13).

7. A surgical stapler according to claim 6, wherein: the right end of the push rod (7) is provided with a button (8), the push rod (7) can be pushed leftwards through the button (8), and the return spring (11) can push the push rod (7) rightwards through a spring baffle (13).